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Cometic MLS cylinder head gasket for Chevrolet Mark-IV Big Block V8 with a 4.540in bore and .084in compressed thickness. The multi-layer stainless steel design features embossed outer faces coated in Viton for heat and corrosion resistance, delivering a reliable seal that requires no sealants and endures the shear between differing head and block materials. The uncoated center shim accommodates thickness choices while embossed layers help distribute load and lower clamp requirements.
Cometic Chevrolet Mark-IV Big Block V8 .084in MLS Cylinder Head Gasket - 4.540in Bore
